SUPPORTING HYDRAULIC CYLINDER OF GOAF SHIELD OF MINE ROOF SUPPORT

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Bibliographische Detailangaben
Hauptverfasser:	HELMUT POKLEKOWSKI, EGON WOJACZEK, KLAUS-PETER REICHELT
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LARGE UNDERGROUND CHAMBERS MINING SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TUNNELS
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